lkml.org 
[lkml]   [2020]   [Nov]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 0/4] nvmem: qfprom: Avoid untouchable regions
On Mon 02 Nov 09:58 CST 2020, Srinivas Kandagatla wrote:

>
>
> On 29/10/2020 00:28, Evan Green wrote:
> > Certain fuses are protected by the XPU such that the AP cannot
> > access them. Attempting to do so causes an SError. Introduce an
> > SoC-specific compatible string, and introduce support into the
> > nvmem core to avoid accessing specified regions. Then use those
> > new elements in the qfprom driver to avoid SErrors when usermode
> > accesses certain registers.
> >
> > Changes in v3:
> > - Fixed example (Doug and rob-bot)
> > - Use min()/max() macros instead of defining my own (Doug)
> > - Comment changes to indicate sorting (Doug)
> > - Add function to validate keepouts are proper (Doug)
> >
> > Changes in v2:
> > - Add other soc compatible strings (Doug)
> > - Fix compatible string definition (Doug)
> > - Introduced keepout regions into the core (Srini)
> > - Use new core support in qfprom (Srini)
> >
> > Evan Green (4):
> > dt-bindings: nvmem: Add soc qfprom compatible strings
> > arm64: dts: qcom: sc7180: Add soc-specific qfprom compat string
> > nvmem: core: Add support for keepout regions
> > nvmem: qfprom: Don't touch certain fuses
>
> Except dts patch, I have applied all the patches, dts patch should go via
> arm-soc tree!
>

And I've picked the dts patch.

Thank you,
Bjorn

>
> --srini
>
> >
> > .../bindings/nvmem/qcom,qfprom.yaml | 17 +-
> > arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 +-
> > drivers/nvmem/core.c | 153 +++++++++++++++++-
> > drivers/nvmem/qfprom.c | 30 ++++
> > include/linux/nvmem-provider.h | 17 ++
> > 5 files changed, 211 insertions(+), 8 deletions(-)
> >

\
 
 \ /
  Last update: 2020-11-02 23:35    [W:0.077 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site